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Experimental and Mechanistic Study on Flotation Separation of Chalcopyrite and Molybdenite Using the Novel Depressant 2-Mercapto-6-Methylpyrimidin-4-ol [PDF]

open access: yesMolecules
Chalcopyrite and molybdenite are vital strategic metal resources. Due to their close association in ores, flotation methods are commonly used for separation.
Xiangwen Lv   +4 more
doaj   +2 more sources

Effect of deep oxidation of chalcopyrite on surface properties and flotation performance

open access: yesInternational Journal of Mining Science and Technology, 2022
In this study, chalcopyrite was oxidized in hydrogen peroxide (H2O2) solutions of different concentrations to simulate different degrees of oxidation in real ores, and the effects of H2O2 treatment on chalcopyrite surface properties and flotation ...
Qingyun Luo   +4 more
doaj   +1 more source

Tailoring ferromagnetic chalcopyrites [PDF]

open access: yesNature Materials, 2004
6 pages with 4 figures, plus 3 supplementary figures; to appear in Nature ...
Erwin, Steven C., Zutic, Igor
openaire   +3 more sources

Selective flotation of chalcopyrite from pyrite via seawater oxidation pretreatment

open access: yesInternational Journal of Mining Science and Technology, 2023
The flotation separation of chalcopyrite from pyrite has attracted increasing attention due to the consumption of vast water resources and depressants.
Wanqing Li   +4 more
doaj   +1 more source

The role of catalyst in the passivation of chalcopyrite during leaching [PDF]

open access: yesInternational Journal of Mining and Geo-Engineering, 2017
In this work, we present as investigation of chalcopyrite leaching under different leach conditions for how liquidation and surface of chalcopyrite study using Scanning Electron Microscopy (SEM) to determine the composition of the passivation layer in ...
SOGHRA SALEHI   +2 more
doaj   +1 more source

Effect of Grinding Media on Grinding-Flotation Behavior of Chalcopyrite and Pyrite

open access: yesFrontiers in Materials, 2020
Grinding media have significant influence on the flotation of chalcopyrite and pyrite. This effect is mainly related to the change in the surface properties of chalcopyrite and pyrite.
Ningning Liao   +7 more
doaj   +1 more source

Effect of microwave pretreatment on chalcopyrite dissolution in acid solution

open access: yesJournal of Materials Research and Technology, 2022
Microwave-roasting as an efficient method for extracting copper form chalcopyrite has attracted increasing attention. In this work, the microwave roasted chalcopyrite was pressure leached in 1.0 mol/L sulfuric acid solution at the temperature range of ...
Yunlong Bai   +6 more
doaj   +1 more source

Genesis type of ore deposits indicated by trace elements of chalcopyrite

open access: yes地质科技通报, 2023
Trace elements of metallic minerals are important to constrain the formation processes and genetic types of ore deposits. Trace elements have been mainly focused on pyrite, magnetite, and sphalerite but have rarely been applied to chalcopyrite. To reveal
Qilin Wang   +5 more
doaj   +1 more source

MINERALOGICAL AND GEOCHEMICAL FEATURES OF SULFIDE CHIMNEYS OF THE YUBILEYNOE MASSIVE SULFIDE DEPOSIT (SOUTH URALS) [PDF]

open access: yesМинералогия, 2019
Three mineral types of hydrothermal chimneys (pyrite-chalcopyrite, pyrite-sphalerite-chalcopyrite and chalcopyrite-pyrite-sphalerite) form a continuous mineralogical range in ores from the Yubileynoe deposit.
A.S. Tseluyko   +5 more
doaj   +1 more source

Ethylenediamine tetramethylenephosphonic acid as a selective collector for the improved separation of chalcopyrite against pyrite at low alkalinity

open access: yesInternational Journal of Mining Science and Technology, 2023
Chalcopyrite is the main Cu-containing mineral and cannot be separated well from pyrite using traditional xanthate collectors with large amounts of lime depressant, resulting in difficulties of the tailing treatment and associated precious metals ...
Jianjun Wang   +5 more
doaj   +1 more source

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